diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4ecf6362..041f527a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,7 +3,7 @@
 - Added support for the MSK144 digimode
 - Added support for decoding ADS-B with dump1090
 - Added support for decoding HFDL and VDL2 aircraft communications
-- Added support for JT4 modes
+- Added support for decoding JT4 modes
 - Added decoding of ISM band transmissions using rtl_433
 - Added support for decoding RDS data on WFM broadcasts using redsea decoder
 - Added decoding for DAB broadcast stations using csdr-eti and dablin
diff --git a/debian/changelog b/debian/changelog
index aa95d2f4..dcdbd1cc 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -4,6 +4,7 @@ openwebrx (1.3.0) UNRELEASED; urgency=low
   * Added support for the MSK144 digimode
   * Added support for decoding ADS-B with dump1090
   * Added support for decoding HFDL and VDL2 aircraft communications
+  * Added support for decoding JT4 modes
   * Added decoding of ISM band transmissions using rtl_433
   * Added support for decoding RDS data on WFM broadcasts using redsea decoder
   * Added decoding for DAB broadcast stations using csdr-eti and dablin
diff --git a/docker.sh b/docker.sh
index d40abaf4..b3657af6 100755
--- a/docker.sh
+++ b/docker.sh
@@ -94,4 +94,4 @@ case ${1:-} in
   *)
     usage
     ;;
-esac
+esac
\ No newline at end of file
diff --git a/owrx/modes.py b/owrx/modes.py
index 934b6961..14e7e542 100644
--- a/owrx/modes.py
+++ b/owrx/modes.py
@@ -147,7 +147,7 @@ class Modes(object):
         WsjtMode("wspr", "WSPR", bandpass=Bandpass(1350, 1650)),
         WsjtMode("fst4", "FST4", requirements=["wsjt-x-2-3"]),
         WsjtMode("fst4w", "FST4W", bandpass=Bandpass(1350, 1650), requirements=["wsjt-x-2-3"]),
-        WsjtMode("jt4", "JT4", requirements=["wsjt-x-2-4"]),
+        WsjtMode("jt4", "JT4"),
         WsjtMode("q65", "Q65", requirements=["wsjt-x-2-4"]),
         DigitalMode("msk144", "MSK144", requirements=["msk144"], underlying=["usb"], service=True),
         Js8Mode("js8", "JS8Call"),
diff --git a/owrx/wsjt.py b/owrx/wsjt.py
index 51614c96..f4d0b12c 100644
--- a/owrx/wsjt.py
+++ b/owrx/wsjt.py
@@ -215,14 +215,11 @@ class JT4Profile(WsjtProfile):
     def __init__(self, submode):
         self.submode = submode
 
-    def getInterval(self):
-        return 60
-
     def getSubmode(self):
         return self.submode
 
     def decoder_commandline(self, file):
-        return ["jt9", "-4", "-b", str(self.submode), "-F", "1000" , "-d", str(self.decoding_depth()), file]
+        return ["jt9", "-4", "-b", str(self.submode), "-d", str(self.decoding_depth()), file]
 
     def getMode(self):
         return "JT4"